CVE-2019-1888
CVE-2019-1888 is a high-severity vulnerability in Cisco Unified Contact Center Express with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.
Key facts
- Severity: High (CVSS 3.x base score 7.2)
- CVSS v2: 9.0
- EPSS exploit prediction: 3% (88th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-434
- Affected product: Cisco Unified Contact Center Express
- Published:
- Last modified:
Description
A vulnerability in the Administration Web Interface of Cisco Unified Contact Center Express (Unified CCX) could allow an authenticated, remote attacker to upload arbitrary files and execute commands on the underlying operating system. To exploit this vulnerability, an attacker needs valid Administrator credentials. The vulnerability is due to insufficient restrictions for the content uploaded to an affected system. An attacker could exploit this vulnerability by uploading arbitrary files containing operating system commands that will be executed by an affected system. A successful exploit could allow the attacker to execute arbitrary commands with the privileges of the web interface and then elevate their privileges to root.
Frequently asked questions
- What is CVE-2019-1888?
- A vulnerability in the Administration Web Interface of Cisco Unified Contact Center Express (Unified CCX) could allow an authenticated, remote attacker to upload arbitrary files and execute commands on the underlying operating system. To exploit this vulnerability, an attacker needs valid Administrator credentials. The vulnerability is due to insufficient restrictions for the content uploaded to an affected system. An attacker could exploit this vulnerability by uploading arbitrary files containing operating system commands that will be executed by an affected system. A successful exploit could allow the attacker to execute arbitrary commands with the privileges of the web interface and then elevate their privileges to root.
- How severe is CVE-2019-1888?
- CVE-2019-1888 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2019-1888 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-1888?
- CVE-2019-1888 primarily affects Cisco Unified Contact Center Express. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2019-1888?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2019-1888 published?
- CVE-2019-1888 was published on 2020-09-23 and last updated on 2026-06-17.
References
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-uccx-privesc-Zd7bvwyf
Affected products (5)
- cpe:2.3:a:cisco:unified_contact_center_express:11.6\(1\):*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_contact_center_express:11.6\(2\):*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_contact_center_express:12.0\(1\):*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_ip_interactive_voice_response:11.6\(1\):*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_ip_interactive_voice_response:11.6\(2\):*:*:*:*:*:*:*
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